Ubuntu Security Notice 6115-1 - Max Chernoff discovered that LuaTeX did not properly disable shell escape. An attacker could possibly use this issue to execute arbitrary shell commands.
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Ubuntu Security Notice USN-6115-1
May 30, 2023
texlive-bin vulnerability
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A security issue affects these releases of Ubuntu and its derivatives:
- Ubuntu 23.04
- Ubuntu 22.10
- Ubuntu 22.04 LTS
- Ubuntu 20.04 LTS
- Ubuntu 18.04 LTS
Summary:
LuaTeX (TeX Live) could be made to run programs as your login if it
compiled a specially crafted TeX file.
Software Description:
- texlive-bin: Binaries for TeX Live
Details:
Max Chernoff discovered that LuaTeX (TeX Live) did not properly disable
shell escape. An attacker could possibly use this issue to execute
arbitrary shell commands.
Update instructions:
The problem can be corrected by updating your system to the following
package versions:
Ubuntu 23.04:
texlive-binaries 2022.20220321.62855-5ubuntu0.1
Ubuntu 22.10:
texlive-binaries 2022.20220321.62855-4ubuntu0.1
Ubuntu 22.04 LTS:
texlive-binaries 2021.20210626.59705-1ubuntu0.1
Ubuntu 20.04 LTS:
texlive-binaries 2019.20190605.51237-3ubuntu0.1
Ubuntu 18.04 LTS:
texlive-binaries 2017.20170613.44572-8ubuntu0.2
In general, a standard system update will make all the necessary changes.
References:
https://ubuntu.com/security/notices/USN-6115-1
CVE-2023-32700
Package Information:
https://launchpad.net/ubuntu/+source/texlive-bin/2022.20220321.62855-5ubuntu0.1
https://launchpad.net/ubuntu/+source/texlive-bin/2022.20220321.62855-4ubuntu0.1
https://launchpad.net/ubuntu/+source/texlive-bin/2021.20210626.59705-1ubuntu0.1
https://launchpad.net/ubuntu/+source/texlive-bin/2019.20190605.51237-3ubuntu0.1
https://launchpad.net/ubuntu/+source/texlive-bin/2017.20170613.44572-8ubuntu0.2